Repro: At sign-in screen, tap the bottom-right corner, where the time is displayed. Note that you must *tap* with your finger on a touch screen (clicking works).

Expected: Quick settings opens.
Actual: Crash.

Triggered by NOTREACHED() here: https://cs.chromium.org/chromium/src/ui/views/view.cc?q=View::OnTouchEvent

#0  0x00005c4d21b7d59a in logging::LogMessage::~LogMessage() () at ../../base/logging.cc:874                                                                                                                                                                                                                                                               
#1  0x00005c4d23884f7d in non-virtual thunk to views::View::OnTouchEvent(ui::TouchEvent*) () at ../../ui/views/view.cc:1124
#2  0x00005c4d2268bdf2 in ui::EventDispatcher::DispatchEventToEventHandlers(std::__1::vector<ui::EventHandler*, std::__1::allocator<ui::EventHandler*> >*, ui::Event*) () at ../../ui/events/event_dispatcher.cc:193
#3  0x00005c4d2268baae in ui::EventDispatcher::ProcessEvent(ui::EventTarget*, ui::Event*) () at ../../ui/events/event_dispatcher.cc:128
#4  0x00005c4d2268b96c in ui::EventDispatcherDelegate::DispatchEvent(ui::EventTarget*, ui::Event*) () at ../../ui/events/event_dispatcher.cc:86
#5  0x00005c4d260081c5 in ui::EventProcessor::OnEventFromSource(ui::Event*) () at ../../ui/events/event_processor.cc:57
#6  0x00005c4d26008747 in ui::EventSource::SendEventToSinkFromRewriter(ui::Event*, ui::EventRewriter const*) () at ../../ui/events/event_source.cc:106
#7  0x00005c4d2439abe1 in ash::AshWindowTreeHostPlatform::DispatchEventFromQueue(ui::Event*) () at ../../ash/host/ash_window_tree_host_platform.cc:208
#8  0x00005c4d245cd6ac in ws::HostEventQueue::DispatchOrQueueEvent(ui::Event*, bool) () at ../../services/ws/host_event_queue.cc:39
#9  0x00005c4d2268f147 in ui::DispatchEventFromNativeUiEvent(ui::Event* const&, base::OnceCallback<void (ui::Event*)>) () at ../../base/callback.h:99
#10 0x00005c4d1e853eb0 in ui::DrmWindowHost::DispatchEvent(ui::Event* const&) () at ../../ui/ozone/platform/drm/host/drm_window_host.cc:200
#11 0x00005c4d1e853f3d in non-virtual thunk to ui::DrmWindowHost::DispatchEvent(ui::Event* const&) () at ../../base/memory/scoped_refptr.h:70
#12 0x00005c4d222973d7 in ui::PlatformEventSource::DispatchEvent(ui::Event*) () at ../../ui/events/platform/platform_event_source.cc:91
#13 0x00005c4d22afae2c in ui::EventFactoryEvdev::DispatchTouchEvent(ui::TouchEventParams const&) () at ../../ui/events/ozone/evdev/event_factory_evdev.cc:363
#14 0x00005c4d1dfe031d in base::internal::Invoker<base::internal::BindState<base::internal::IgnoreResultHelper<void (content::RenderWidgetHostViewChildFrame::*)(cc::RenderFrameMetadata const&)>, base::WeakPtr<content::RenderWidgetHostViewChildFrame>, cc::RenderFrameMetadata>, void ()>::RunOnce(base::internal::BindStateBase*) ()
    at ../../base/bind_internal.h:516
#15 0x00005c4d21c488e7 in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*) () at ../../base/callback.h:99
#16 0x00005c4d21b86d4f in base::MessageLoopImpl::RunTask(base::PendingTask*) () at ../../base/message_loop/message_loop_impl.cc:350
#17 0x00005c4d21b87402 in base::MessageLoopImpl::DoWork() () at ../../base/message_loop/message_loop_impl.cc:361
#18 0x00005c4d21c449b9 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at ../../base/message_loop/message_pump_libevent.cc:210
#19 0x00005c4d21b86825 in base::MessageLoopImpl::Run(bool) () at ../../base/message_loop/message_loop_impl.cc:302
#20 0x00005c4d21bb0006 in base::RunLoop::Run() () at ../../base/run_loop.cc:102
#21 0x00005c4d216c72e5 in ChromeBrowserMainParts::MainMessageLoopRun(int*) () at ../../chrome/browser/chrome_browser_main.cc:1886
#22 0x00005c4d1ee89af4 in content::BrowserMainLoop::RunMainMessageLoopParts() () at ../../content/browser/browser_main_loop.cc:994
#23 0x00005c4d1ee8c503 in content::BrowserMainRunnerImpl::Run() () at ../../content/browser/browser_main_runner_impl.cc:165
#24 0x00005c4d1ee8625f in content::BrowserMain(content::MainFunctionParams const&) () at ../../content/browser/browser_main.cc:47
#25 0x00005c4d216b7c28 in content::ContentMainRunnerImpl::RunServiceManager(content::MainFunctionParams&, bool) () at ../../content/app/content_main_runner_impl.cc:548
#26 0x00005c4d216b7ac6 in content::ContentMainRunnerImpl::Run(bool) () at ../../content/app/content_main_runner_impl.cc:871
#27 0x00005c4d216bf2ff in service_manager::Main(service_manager::MainParams const&) () at ../../services/service_manager/embedder/main.cc:472
#28 0x00005c4d216b5e61 in content::ContentMain(content::ContentMainParams const&) () at ../../content/app/content_main.cc:19
#29 0x00005c4d1dc6359f in ChromeMain () at ../../chrome/app/chrome_main.cc:102
#30 0x00007c91e58ab736 in __libc_start_main (main=0x5c4d1dc63500 <main>, argc=31, argv=0x7ffdbf7a4168, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdbf7a4158) at ../csu/libc-start.c:289
#31 0x00005c4d1dc633c9 in _start ()